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readme.md

Node and npm Cheatsheet

Node, Node... it's everywhere.

FREE beautifully-designed print-ready PDF.

Installation

npm comes with Node. Node 6, 8, 10, etc are long-term support versions.

brew (macOS only)

if no brew, then install it first:

/usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"

brew update && brew install node

Installer (recommended for beginners)

Download installer from https://nodejs.org

source (recommended for contributors)

Unix / macOS Prerequisites:

  • gcc and g++ 4.9.4 or newer
  • clang and clang++ 3.4.2 or newer (macOS: latest Xcode Command Line Tools)
  • Python 2.6 or 2.7
  • GNU Make 3.81 or newer

Windows Prerequisites:

  • Building Node: Visual Studio 2015 or Visual C++ Build Tools 2015 or newer
  • Building native add-ons: Visual Studio 2013 or Visual C++ Build Tools 2015 or newer
git clone [email protected]:nodejs/node.git
cd node
./configure
make -j4

Test and make it a system Eode:

make test
./node -e "console.log('Hello from Node.js ' + process.version)"
make instal

nvm (recommended for switching between multiple versions)

nvm does not support Windows

curl -o- https://raw.githubusercontent.com/creationix/nvm/v0.33.2/install.sh | bash

yum

OSs: Amazon Linux, Red Hat® Enterprise Linux® / RHEL, CentOS, CloudLinux, Oracle Linux and Fedora

curl --silent --location https://rpm.nodesource.com/setup_8.x | bash -
yum -y install nodejs

apt-get

OSs: Debian, Ubuntu, Alpine, Linux Mint, Linux Mint Debian Edition (LMDE), elementaryOS

curl -sL https://deb.nodesource.com/setup_8.x | sudo -E bash -
sudo apt-get install -y nodejs

Docker

Dockerfile FROM image names:

  • node:8
  • node:alpine
  • node:slim

Usage

  • REPL: $ node
  • Eval: $ node -e "{code}"
  • File: $ node {filename.js}

Node Globals

  • setTimeout()
  • require
  • __dirname
  • __filename
  • process.env
  • process.argv
  • process.exit()
  • process.cwd()
  • process.versions

Node Core

  • http
  • utils
  • os
  • cluster
  • stream
  • event
  • fs
  • url
  • path
  • net

package.json

Main package.json properties:

  • version
  • devDependencies
  • dependencies
  • name

npm

  • npm init and npm init -y
  • npm i {npm-package-name} also with -g, -S, -E or -D
  • npm rm {npm-package-name} also with -g, -S, or -D
  • npm version patch also major and minor
  • npm i --production or NODE_ENV=production npm i
  • npm config ls
  • npm config set {config-key} {config-value}
  • npm i git+http://github.com/{username}/{repo-name}.git

Node C++ Addons

Popular Node Modules

  • request, axios, superagent and fetch
  • mocha, jasmine, jest and tape
  • passport and oauth
  • express, hapi and loopback
  • mongodb, mongoose, sequilize, and shelf

Resources